Coyote\Http\Middleware\SetupGuestCookie

Complexity

Total Complexity

10

Size/Duplication

Total Lines	59
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	4

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	handle()	0	16	4
B	getGuestIdValue()	0	28	6

<?php

namespace Coyote\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Ramsey\Uuid\Uuid;

class SetupGuestCookie
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Closure $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {
        // establish quest id
        $guestId = $this->getGuestIdValue($request);
        // cookie value
        $cookie = $request->cookie(config('session.guest_cookie'));

        /** @var \Illuminate\Http\Response $response */
        $response = $next($request);

        if (method_exists($response, 'cookie') && ($cookie === null || $cookie !== $guestId)) {
            $response->cookie(config('session.guest_cookie'), $guestId, 525948); // 1 year
        }

        return $response;
    }

    /**
     * @param Request $request
     * @return string
     */
    private function getGuestIdValue(Request $request): string
    {
        // get guest_id from session. this does not require additional query to redis.
        // this value can be null if session does not exist.
        $guestId = $request->session()->get('guest_id');

        // cookie was removed or this is users' first visit
        if ($guestId === null) {
            if (!empty($request->user())) {
                $guestId = $request->user()->guest_id;
            } elseif ($request->hasCookie(config('session.guest_cookie'))) {
                $guestId = $request->cookie(config('session.guest_cookie'));
            } else {
                $guestId = (string) Uuid::uuid4();
            }

            $request->session()->put('guest_id', $guestId);
        }

        // validate registered user's guest_id with the one from session.
        // why? previously user could use website as anonymous user.
        if (!empty($request->user()) && $request->user()->guest_id !== $guestId) {
            $guestId = $request->user()->guest_id;
            $request->session()->put('guest_id', $guestId);
        }

        return $guestId;
    }
}